Acoustic echo and noise cancellation
Acoustic feedback cancellation system
Acoustic feedback elimination using adaptive notch filter algori
Adaptive feedback canceller
Amplifier arrangement for acoustic signals, provided with means
Amplifier with automatic inhibition of acoustic feedback
Anti-howl back device
Apparatus and method for suppressing feedback
Audio feedback processing system
Audio feedback processing system
Audio feedback suppressor
Audio signal processing
Audio system with feedback detection means
Circuit arrangement for suppressing oscillations
Circuit for recognizing oscillations in a useful signal due to f
Circuit to prevent acoustic feedback for a cellular...
Device preventing oscillation at the time of no signal
DVE system with instability detection
Ear microphone apparatus and method
Feedback elimination method and apparatus